1 // Copyright 2010-2018, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #ifndef MOZC_UNIX_IBUS_CANDIDATE_WINDOW_HANDLER_INTERFACE_H_ 31 #define MOZC_UNIX_IBUS_CANDIDATE_WINDOW_HANDLER_INTERFACE_H_ 32 33 #include <string> 34 35 #include "base/port.h" 36 #include "unix/ibus/ibus_header.h" 37 38 namespace mozc { 39 namespace commands { 40 class Output; 41 } // namespace commands 42 namespace ibus { 43 44 class CandidateWindowHandlerInterface { 45 public: CandidateWindowHandlerInterface()46 CandidateWindowHandlerInterface() {} ~CandidateWindowHandlerInterface()47 virtual ~CandidateWindowHandlerInterface() {} 48 49 // Updates candidate state. This function also shows or hides candidate window 50 // based on output argument. 51 virtual void Update(IBusEngine *engine, 52 const commands::Output &output) = 0; 53 54 // Updates candidate state. This function also shows or hides candidate window 55 // based on the last |Update| call. 56 virtual void UpdateCursorRect(IBusEngine *engine) = 0; 57 58 // Hides candidate window. 59 virtual void Hide(IBusEngine *engine) = 0; 60 61 // Shows candidate window. 62 virtual void Show(IBusEngine *engine) = 0; 63 64 // Following methods handle property-changed events relevant to ibus-panel. 65 // |custom_font_description| should be a string representation of 66 // PangoFontDescription. 67 // http://developer.gnome.org/pango/stable/pango-Fonts.html#pango-font-description-from-string 68 virtual void OnIBusCustomFontDescriptionChanged( 69 const string &custom_font_description) = 0; 70 virtual void OnIBusUseCustomFontDescriptionChanged( 71 bool use_custom_font_description) = 0; 72 73 private: 74 DISALLOW_COPY_AND_ASSIGN(CandidateWindowHandlerInterface); 75 }; 76 77 } // namespace ibus 78 } // namespace mozc 79 #endif // MOZC_UNIX_IBUS_CANDIDATE_WINDOW_HANDLER_INTERFACE_H_ 80